"The e-mail that carries the worm has "your account" in the subject line, according to Symantec, and the body reads, "Hello there, I would like to inform you about important information regarding your e-mail address. This e-mail address will be expiring. Please read attachment for details." It is then signed "Best regards, Administrator" and contains an attachment labeled "message.zip" that carries the malicious code," reports CNet.